September 9, 2015
becomes
A bit bigger…
## id X1r X1g X1b X2r X2g X2b X3r X3g X3b ## 1 1 191 170 175 186 169 159 198 186 160 ## 2 2 76 52 74 78 53 74 78 51 68 ## 3 3 56 61 65 108 113 117 135 138 143 ## 4 4 6 138 177 9 123 175 12 99 168 ## 5 5 151 149 154 154 152 157 163 158 162 ## 6 6 173 168 130 181 173 136 187 177 141
Investigated the following methods on the \(222 \times 222\) reduced-dimension data:
Agglomerative hierarchical clustering:
Data follow a Gaussian mixture model
Forms \(K\) groups around \(K\) centers
Number of groups chosen by looking at cluster statistics
K-Means, \(K = 20\)
| C# | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| # in | 6 | 12 | 8 | 8 | 16 | 15 | 4 | 8 | 17 | 6 | 6 | 5 | 6 | 24 | 10 | 11 | 8 | 18 | 19 | 15 |
In each group of paintings:
* Bright blue skies behind snow-capped mountains near rivers and coniferous trees
Dr. Di Cook, Monash University
Walt Hickey, FiveThirtyEight
Website: sctyner.github.io
Twitter: @sctyner